A Bayesian Network under Strict Chain Model for Computing Flow Risks in Smart City

Table 1

List of symbol notations and description.

Symbols	Descriptions
S1	Trocar puncture (into the abdomen) happened
S2	Separation of adhesion happened
S3	Anatomy of bile triangle happened
S4	Dissection of gallbladder bed happened
S5	Removal and suture of gallbladder happened
D1	Trocar puncture (into the abdomen) has done successfully
D2	Separation of adhesion has done successfully
D3	Anatomy of bile triangle has done successfully
D4	Dissection of gallbladder bed has done successfully
D5	Removal and suture of gallbladder has done successfully
R1	Intestinal injury
R2	Bile duct injury
R3	Vascular injury
R4	Infection
R5	Massive hemorrhage
R6	Death
	Contribution ratio of to
	Contribution ratio of to